package com.liang.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {
    /**
     * 死信队列
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> args = new HashMap<>();
        args.put("x-message-ttl", 60000);//过期时间
        args.put("x-dead-letter-exchange", "order-event-exchange");//消息过期后到哪个交换机
        args.put("x-dead-letter-routing-key", "order.release.order");//路由键，到哪个队列
         /*
            Queue(String name,  队列名字
            boolean durable,  是否持久化
            boolean exclusive,  是否排他
            boolean autoDelete, 是否自动删除
            Map<String, Object> arguments) 属性
         */
        return new Queue("order.delay.queue", true, false, false, args);
    }

    /**
     * 普通队列
     * @return
     */
    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue("order.release.order.queue", true, false, false);
    }

    /**
     * topic交换机
     * @return
     */
    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange",true,false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        /*
         * String destination, 目的地（队列名或者交换机名字）
         * DestinationType destinationType, 目的地类型（Queue、Exhcange）
         * String exchange,
         * String routingKey,
         * Map<String, Object> arguments
         *
         */
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放直接和库存释放绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }
    @Bean
    public Queue seckillQueue(){
        return new Queue("order.seckill.order.queue",true,false,false,null);
    }

    @Bean
    public Binding orderSeckillBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}
